<template>
	<view class="">
		<view class="search-box">
			<uni-search-bar :radius="100" @confirm="search" @input="input" cancelButton="none" focus
				placeholder="请输入搜索内容"></uni-search-bar>
		</view>
		<view class="sugg-list" v-if="!kw.length==0">
			<view class="sugg-item" v-for="item,index in searchResults" :key="index" @click="goDetail(item)">
				<view class="goods-name">
					{{item.goods_name}}
				</view>
				<uni-icons type="forward" size="16"></uni-icons>
			</view>
		</view>
		<view class="history-box" v-else>
			<view class="history-title">
				<text>搜索历史</text>
				<uni-icons type="trash-filled" size="20" @click="deleteHistory"></uni-icons>
			</view>
			<view class="history-list">
				<uni-tag inverted :text="item" v-for="item,index in historyList" :key="index"
					@click="goGoodsList(item)">
				</uni-tag>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				timer: null,
				kw: '',
				searchResults: [],
				historyList: []
			};
		},
		onLoad() {
			this.historyList = JSON.parse(uni.getStorageSync('kw') || [])
		},
		methods: {
			input(e) {
				clearTimeout(this.timer)
				this.timer = setTimeout(() => {
					this.kw = e.trim()
					this.getSearchList()
					this.historyList.unshift(this.kw)
					this.historyList = [...new Set(this.historyList)]
					uni.setStorageSync('kw', JSON.stringify(this.historyList))
				}, 500)
			},
			async getSearchList() {
				if (this.kw.length == 0) {
					this.searchResults = []
					return;
				}
				const res = await uni.$http.get('/api/public/v1/goods/qsearch', {
					query: this.kw
				})
				if (!res.data.meta.status == 200) return uni.$showMsg();
				this.searchResults = res.data.message
			},
			goDetail(item) {
				uni.navigateTo({
					url: '/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id
				})
			},
			deleteHistory() {
				this.historyList = []
				uni.setStorageSync('kw', '[]')
			},
			goGoodsList(item) {
				uni.navigateTo({
					url: '/subpkg/goods_list/goods_list?query=' + item
				})
			}
		}
	}
</script>

<style lang="scss">
	.search-box {
		position: sticky;
		top: 0;
		z-index: 999;
	}

	.sugg-list {
		padding: 0 5px;

		.sugg-item {
			display: flex;
			align-items: center;
			justify-content: space-between;
			font-size: 12px;
			padding: 13px 0;
			border-bottom: 1px solid #efefef;

			.goods-name {
				white-space: nowrap;
				overflow: hidden;
				text-overflow: ellipsis;
				margin-right: 3px;
			}
		}
	}

	.history-box {
		padding: 0 5px;

		.history-title {
			display: flex;
			justify-content: space-between;
			height: 40px;
			align-items: center;
			font-size: 13px;
			border-bottom: 1px solid #efefef;
		}

		.history-list {
			display: flex;
			flex-wrap: wrap;

			.uni-tag {
				margin-top: 5px;
				margin-right: 5px;
			}
		}
	}
</style>